So I bought the performance jet kit from top end.com, you give them your engine, altitiude, etc. and they give you new jets. Anyway I hardly got any more power if any out of it. I went from 130/140 main jets to 160/190 main jets. Is this much of an increase? and if it is what is the reason for my lack of power? The only thing I can think of is I've got 208,000 original miles on the engine. What gives?